71974617

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 49953063

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 71, 139, 143, 187, 213, 221, 417, 429, 561, 663, 781, 923, 1207, 1529, 1807, 2343, 2363, 2431, 2769, 3621, 4587, 5421, 7089, 7293, 9869, 10153, 13277, 15691, 19877, 25993, 29607, 30459, 30719, 39831, 47073, 59631, 77979, 92157, 108559, 128297, 167773, 172601, 325677, 337909, 384891, 503319, 517803, 1013727, 1411267, 1845503, 2181049, 4233801, 5536509, 6543147, 23991539, 71974617]

約数ペア:

[(1, 71974617), (3, 23991539), (11, 6543147), (13, 5536509), (17, 4233801), (33, 2181049), (39, 1845503), (51, 1411267), (71, 1013727), (139, 517803), (143, 503319), (187, 384891), (213, 337909), (221, 325677), (417, 172601), (429, 167773), (561, 128297), (663, 108559), (781, 92157), (923, 77979), (1207, 59631), (1529, 47073), (1807, 39831), (2343, 30719), (2363, 30459), (2431, 29607), (2769, 25993), (3621, 19877), (4587, 15691), (5421, 13277), (7089, 10153), (7293, 9869)]